TRANSPORT: a computer program for designing charged particle beam transport systems
INTRODUCTION (view: trans1.pdf)
MATHEMATICAL FORMULATION OF "TRANSPORT"
General conventions
The transfer matrix R
The beam matrix .sigma.
Fitting
INPUT FORMAT FOR TRANSPORT
An Example of a TRANSPORT Input Deck
The use of labels
Table 1: Summary of TRANSPORT type codes
OUTPUT FORMAT
General appearance
Initial listing
Listing during the calculation
Calculated quantities
TITLE CARD
INDICATOR CARD (0 or +-l)
COMMENT CARDS
Example of the use of comment cards in a data set
LISTING OF AVAILABLE TRANSPORT TYPE CODE ENTRIES (view: trans2.pdf)
INPUT BEAM: Type code 1.0
The phase ellipse beam matrix
r.m.s. addition to the BEAM
FRINGING FIELDS and POLE-FACE ROTATIONS for bending magnets: Type code 2.0
Pole-face rotation matrix
DRIFT: Type code 3.0
DRIFT space matrix
WEDGE BENDING MAGNET: Type code 4.0
First-order wedge bending magnet matrix
QUADRUPOLE: Type code 5.0
First-order quadrupole matrix
TRANSFORM 1 update: Type code 6.0.1.
AUXILIARY TRANSFORMATION MATRIX (R2): Type code 6.0.2.
SHIFT IN THE BEAM CENTROID: Type code 7.0
MAGNET ALIGNMENT TOLERANCES: Type code 8.0
Exomple No. 1: A bending magnet with a known misalignment
Exomple No. 2: A bending magnet with an uncertain position
Exomple No. 3: A misaligned quadrupole triplet
Exomple No. 4: Misaligned quadrupoles in a triplet
REPETITION: Type code 9.0 (view: trans3.pdf)
Example of Nesting
VARY CODES and FITTING CONSTRAINTS: Type code 10.0
Vary codes
First-order vary codes
Second-order vary codes
Coupled vary codes
Possible fitting constraints
First-order constraints
Second-order constraints
R1 matrix fitting constraints
R2 matrix fitting constraints
.sigma.(BEAM) matrix fitting constraints
Beam correlation matrix (r) fitting constraints
First moment constraint
System length constraint
AGS machine constraint
Floor coordinate fitting constraint
T1 matrix fitting constraints
T2 matrix fitting constraints
Second-order .sigma. (BEAM) matrix fitting constraint
Sextupole strength constraints
Internal constraints
Corrections and covariance matrix
ACCELERATION: Type code 11.0 (view: trans4.pdf)
Accelerator section matrix
BEAM (rotated ellipse): Type code 12.0
Output PRINT CONTROL instructions: Type code 13.0
Beam matrix print controls 1., 2., 3.
Transformation matrix print controls 4., 5., 6., 24.
Misalignment table print control 8.
Coordinate layout control 12.
General output format controls 17., 18., 19.
Punched output controls 29., 30., 31., 32., 33., 34., 35., 36.
ARBITRARY TRANSFORMATION input: Type code 14.0
Input-output UNITS: Type code 15.0
SPECIAL INPUT PARAMETERS: Type code 16.0
Code digits for special parameters
Tilt-to-focal plane (16. 15. .alpha. ;) element
Initial beam line coordinates and direction
SECOND-ORDER CALCULATION: Type code 17.0
SEXTUPOLE: Type code 18.0
SOLENOID: Type code 19.0
First-order solenoid matrix
COORDINATE ROTATION: Type code 20.0
Examples
STRAY MAGNETIC FIELD: Type code 21.0
SENTINEL
REFERENCES
TRANSPORT APPENDIX (view: trans5.pdf)
1. Beam Transport Optics (a set of lectures given to the SLAC technical staff)
Part I
Part II
2. First-Order Matrix Formalism for TRANSPORT (view: trans6.pdf)
First-Order R(Transfer) Matrix Formalism
First-Order Phase Ellipse Formalism for TRANSPORT (view: trans7.pdf)
3. Second-Order Aberrations (view: trans8.pdf)
Second Order Contributions to Beam Dimensions
A Systematic Procedure for Designing High Resolving Power Beam Transport Systems or Charged Particle Spectrometers
4.The Effect of Beam Line Magnet Misalignments (view: trans9.pdf)
5. First-Order Parameter Optimization and Covariance
Last updated by Urs Rohrer (PSI) on 3-May-2005